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https://issues.apache.org/jira/browse/SPARK-41870?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-41870:
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Assignee: (was: Apache Spark)
> Handle duplicate columns in `createDataFrame`
> ---------------------------------------------
>
> Key: SPARK-41870
> URL: https://issues.apache.org/jira/browse/SPARK-41870
> Project: Spark
> Issue Type: Sub-task
> Components: Connect
> Affects Versions: 3.4.0
> Reporter: Sandeep Singh
> Priority: Major
>
> {code:java}
> df = self.spark.createDataFrame([(1, 2)], ["c", "c"]){code}
> Error:
> {code:java}
> Traceback (most recent call last):
> File
> "/Users/s.singh/personal/spark-oss/python/pyspark/sql/tests/test_dataframe.py",
> line 65, in test_duplicated_column_names
> df = self.spark.createDataFrame([(1, 2)], ["c", "c"])
> File
> "/Users/s.singh/personal/spark-oss/python/pyspark/sql/connect/session.py",
> line 277, in createDataFrame
> raise ValueError(
> ValueError: Length mismatch: Expected axis has 1 elements, new values have 2
> elements{code}
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